Mobile curtain convenient to quickly unfold

Abstract

The utility model discloses a movable curtain convenient to unfold quickly, which belongs to the field of curtains and comprises a base, a rolling and unfolding structure arranged on the base, a top seat arranged on one side, far away from the base, of the rolling and unfolding structure and a curtain arranged between the top seat and the rolling and unfolding structure. The rolling and unfolding structure comprises a rotating shaft, a flattening assembly and a lifting assembly, wherein the rotating shaft is rotatably arranged in the base and used for rolling the curtain, the flattening assembly is arranged on the base, located above the rotating shaft and used for flattening the curtain, and the lifting assembly is arranged on the rotating shaft, connected with the top base and used for unfolding the curtain. According to the movable curtain, the rolling and unfolding structure is arranged, the driving assembly drives the rotating shaft and the lifting assembly to move, the lifting assembly is matched with the flattening assembly, so that the curtain is flatly unfolded or tightly rolled on the rotating shaft along with the movement of the lifting assembly and the rotating shaft, the effect of rapidly unfolding and tightly rolling the curtain is achieved, operation is simple, and practicability is high. And the working efficiency of operators is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of curtains, in particular to a mobile curtain that is easy to quickly unfold. Background Art

[0002] Projection screens are used in movies, offices, home theaters, large conferences and other occasions to display images and video files. The choice of projection screens is different for different spaces. For example, wide viewing angle and low gain screens are suitable for occasions with a large number of viewers or horizontal viewing. Narrow viewing angle and high gain screens are suitable for viewing in narrow and long spaces. At the same time, choosing a screen with appropriate gain will help improve the contrast of the screen, increase the grayscale of the image, make the color brighter, and increase the visibility of the image.

[0003] A Chinese utility model patent with publication number CN216286140U discloses a mobile curtain that is easy to quickly unfold. The curtain is rolled up by rotating a shaft driven by a turning handle, which simplifies the preliminary preparation work and subsequent sorting work when using the curtain. However, when rolling up the curtain, the operator needs to rotate the shaft several times until the curtain is rolled up, which makes the operation process cumbersome and reduces work efficiency.

[0004] Therefore, the utility model provides a mobile curtain that is easy to quickly unfold to solve the above problems. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] The utility model provides a mobile curtain that is easy to quickly unfold, aiming to solve the problems of complicated operation process and low working efficiency in the prior art.

[0007] (II) Technical solution

[0008] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a mobile curtain that is easy to quickly unfold, comprising a base, a rolling-up structure arranged on the base, a top seat arranged on a side of the rolling-up structure away from the base, and a curtain arranged between the top seat and the rolling-up structure.

[0009] In order to facilitate the rapid reeling or unfolding of the curtain, the reeling and unfolding structure includes a rotating shaft rotatably arranged in the base for reeling in the curtain, a flattening assembly arranged on the base and located above the rotating shaft for flattening the curtain, a lifting assembly arranged on the rotating shaft and connected to the top seat for unfolding the curtain, and a driving assembly arranged on the base for driving the rotating shaft and the lifting assembly to move. The two ends of the curtain are respectively fixedly connected to the top seat and the rotating shaft. The driving assembly is arranged to drive the lifting assembly and the rotating shaft to move, thereby realizing rapid reeling or unfolding of the curtain.

[0010] Preferably, in order to facilitate the smooth unfolding or reeling of the curtain on the rotating shaft, the flattening assembly includes a support plate symmetrically fixedly arranged on the base, a pressure plate symmetrically slidably arranged between the two support plates and in contact with both sides of the curtain, and a compression spring arranged at both ends of the pressure plate, the two ends of the compression spring are respectively fixedly connected to the pressure plate and the support plate, and the curtain can be smoothly unfolded or reeled on the rotating shaft by setting the pressure plate.

[0011] Preferably, in order to facilitate the smooth unfolding of the curtain, the lifting assembly includes a first connecting rod symmetrically hinged on the base, a connecting seat slidably arranged on the base, a second connecting rod hinged on the connecting seat and hinged to the first connecting rod, a third connecting rod hinged to an end of the first connecting rod away from the base, and a fourth connecting rod hinged to an end of the second connecting rod away from the base and hinged to the third connecting rod. An end of the third connecting rod away from the first connecting rod is fixedly connected to the top seat, and an end of the fourth connecting rod away from the second connecting rod is fixedly connected to the top seat. By connecting the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod, the curtain is driven to be lifted and lowered smoothly, and the operation is simple.

[0012] Preferably, in order to prevent the fourth connecting rod from shifting its position during movement, a slide rail is provided on the top seat, and two sliding blocks are slidably arranged in the slide rail. The sliding block is hinged to the end of the fourth connecting rod away from the second connecting rod, and the movement of the fourth connecting rod is guided by setting the slide rail and the sliding block.

[0013] Preferably, in order to facilitate the movement of the rotating shaft and the transmission assembly, the assembly includes a bidirectional threaded rod rotatably arranged on the base and respectively threadedly connected to the two connecting seats, pulleys fixedly mounted on the bidirectional threaded rod and one end of the rotating shaft, respectively, a belt arranged between the two pulleys, and a servo motor fixedly arranged on the base and fixedly connected to one end of the bidirectional threaded rod. Power is transmitted between the two pulleys through the belt connection, and the rotating shaft and the transmission assembly are moved simultaneously by arranging the pulleys and belts.

[0014] Preferably, in order to facilitate the movement of the curtain, universal wheels are provided at the four corners of the bottom of the base.

[0015] (III) Beneficial effects

[0016] The mobile curtain is provided with a rolling-up structure, so that the driving component drives the rotating shaft and the lifting component to move, and the lifting component cooperates with the flattening component, so that the curtain can be smoothly unfolded or tightly rolled up on the rotating shaft as the lifting component and the rotating shaft move, thereby achieving the effect of quickly unfolding and tightly rolling up the curtain, and the operation is simple, which improves the work efficiency of the operator. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of a structure for quickly unfolding a mobile curtain;

[0018] Figure 2 A schematic diagram of a partial structure for quickly unfolding a mobile curtain;

[0019] Figure 3 A front structural cross-sectional view of a mobile curtain that is convenient for rapid deployment;

[0020] Figure 4 The present invention is a partial structural schematic diagram of a rolling structure for quickly unfolding a mobile curtain.

[0021] In the figure:

[0022] 1. Base; 11. Universal wheel;

[0023] 2. Rolling structure; 21. Rotating shaft; 22. Flattening assembly; 221. Support plate; 222. Pressing plate; 223. Compression spring; 23. Lifting assembly; 231. First connecting rod; 232. Connecting seat; 233. Second connecting rod; 234. Third connecting rod; 235. Fourth connecting rod; 24. Driving assembly; 241. Bidirectional threaded rod; 242. Pulley; 243. Belt; 244. Servo motor;

[0024] 3. Top seat; 31. Slide rail; 32. Sliding block;

[0025] 4. Curtain. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] The utility model provides a mobile curtain that is easy to quickly unfold, such as Figure 1-4As shown, the mobile curtain that is easy to quickly unfold includes a base 1, a rolling structure 2 arranged on the base 1, a top seat 3 arranged on the side of the rolling structure 2 away from the base 1, and a curtain 4 arranged between the top seat 3 and the rolling structure 2; the rolling structure 2 includes a rotating shaft 21 rotatably arranged in the base 1 for rolling up the curtain 4, a flattening component 22 arranged on the base 1 and located above the rotating shaft 21 for flattening the curtain 4, a lifting component 23 arranged on the rotating shaft 21 and connected to the top seat 3 for unfolding the curtain 4, and a driving component 24 arranged on the base 1 for driving the rotating shaft 21 and the lifting component 23 to move, and the two ends of the curtain 4 are fixedly connected to the top seat 3 and the rotating shaft 21, respectively.

[0028] When in use, after the movable curtain is moved to a suitable position, the unrolling structure 2 arranged on the base 1 is driven, so that the driving component 24 drives the lifting component 23 and the rotating shaft 21 to move, and drives the top seat 3 arranged on the lifting component 23 to move, thereby driving the curtain 4 fixedly connected to the top seat 3 to be flatly unfolded under the action of the flattening component 22; when rolling up, the lifting component 23 and the rotating shaft 21 are driven by the driving component 24, and the top seat 3 arranged on the lifting component 23 is driven to move, thereby driving the curtain 4 fixedly connected to the top seat 3 to be tightly rolled up on the rotating shaft 21 under the action of the flattening component 22.

[0029] Specifically, the flattening assembly 22 includes a support plate 221 symmetrically fixed on the base 1, a pressure plate 222 symmetrically slidably arranged between the two support plates 221 and in contact with both sides of the curtain 4, and a compression spring 223 arranged at both ends of the pressure plate 222, and the two ends of the compression spring 223 are fixedly connected to the pressure plate 222 and the support plate 221 respectively.

[0030] When the driving assembly 24 is driven to unfold or roll up the curtain 4 , the two pressing plates 222 slide on the supporting plate 221 under the force of the compression springs 223 to tighten the curtain 4 , so that the curtain 4 is smoothly unfolded or tightly rolled up on the rotating shaft 21 .

[0031] Furthermore, the lifting assembly 23 includes a first connecting rod 231 symmetrically hinged on the base 1, a connecting seat 232 slidably set on the base 1, a second connecting rod 233 hinged on the connecting seat 232 and hinged to the first connecting rod 231, a third connecting rod 234 hinged at the end of the first connecting rod 231 away from the base 1, and a fourth connecting rod 235 hinged at the end of the second connecting rod 233 away from the base 1 and hinged to the third connecting rod 234, one end of the third connecting rod 234 away from the first connecting rod 231 is fixedly connected to the top seat 3, and one end of the fourth connecting rod 235 away from the second connecting rod 233 is fixedly connected to the top seat 3.

[0032] By driving the driving assembly 24, the connecting seat 232 is driven to slide on the base 1, so that the second connecting rod 233 and the first connecting rod 231 hinged on the base 1 and hinged to the second connecting rod 233 move, and the third connecting rod 234 and the fourth connecting rod 235 hinged to the first connecting rod 231 and the second connecting rod 233 are driven to move, thereby driving the top seat 3 fixed on the lifting assembly 23 to rise and fall.

[0033] Among them, in order to facilitate the guidance of the movement of the fourth connecting rod 235 on the top seat 3 and prevent the position from being shifted, a slide rail 31 is provided on the top seat 3, and two sliding blocks 32 are slidably provided in the slide rail 31, and the sliding block 32 is hinged to the end of the fourth connecting rod 235 away from the second connecting rod 233; by providing a slide rail 31 on the top seat 3, and arranging a sliding block 32 in the slide rail 31, when the fourth connecting rod 235 moves, the sliding block 32 guides the fourth connecting rod 235 to slide along the slide rail 31 on the top seat 3 and rotate on the sliding block 32, thereby guiding the fourth connecting rod 235.

[0034] Furthermore, the driving assembly 24 includes a bidirectional threaded rod 241 rotatably set on the base 1 and respectively screwed to the two connecting seats 232, pulleys 242 fixedly mounted on the bidirectional threaded rod 241 and one end of the rotating shaft 21, a belt 243 set between the two pulleys 242, and a servo motor 244 fixedly set on the base 1 and fixedly connected to one end of the bidirectional threaded rod 241. The two pulleys 242 are connected and power is transmitted through the belt 243.

[0035] The servo motor 244 is driven to rotate the bidirectional threaded rod 241 fixedly connected to the output end of the servo motor 244, and the pulley 242 fixedly mounted on the bidirectional threaded rod 241 is driven to rotate. The pulley 242 cooperates with the belt 243 to rotate another pulley 242 fixedly mounted on the rotating shaft 21, thereby driving the rotating shaft 21 to rotate, and the curtain 4 is quickly flattened or rolled up.

[0036] In addition, in order to facilitate the movement of the curtain and reduce the workload of the operator, universal wheels 11 are provided at the four corners of the bottom of the base 1; by providing universal wheels 11 at the four corners of the base, when moving the movable curtain, the movable curtain can be quickly moved by pushing the base 1 to rotate the universal wheels 11.

[0037] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A mobile curtain that is easy to quickly unfold, comprising a base (1), a rolling structure (2) arranged on the base (1), a top seat (3) arranged on a side of the rolling structure (2) away from the base (1), and a curtain (4) arranged between the top seat (3) and the rolling structure (2); Features: The rolling-up structure (2) comprises a rotating shaft (21) rotatably arranged in the base (1) for rolling up the curtain (4), a flattening assembly (22) arranged on the base (1) and located above the rotating shaft (21) for flattening the curtain (4), a lifting assembly (23) arranged on the rotating shaft (21) and connected to the top seat (3) for unfolding the curtain (4), and a driving assembly (24) arranged on the base (1) for driving the rotating shaft (21) and the lifting assembly (23) to move, wherein the two ends of the curtain (4) are respectively fixedly connected to the top seat (3) and the rotating shaft (21).

2. The mobile curtain for quick deployment according to claim 1, characterized in that: The flattening assembly (22) comprises a support plate (221) symmetrically fixedly arranged on the base (1), a pressure plate (222) symmetrically slidably arranged between the two support plates (221) and in contact with both sides of the curtain (4), and a compression spring (223) arranged at both ends of the pressure plate (222), wherein the two ends of the compression spring (223) are respectively fixedly connected to the pressure plate (222) and the support plate (221).

3. The mobile curtain for quick deployment according to claim 1, characterized in that: The lifting assembly (23) comprises a first connecting rod (231) symmetrically hinged on the base (1), a connecting seat (232) slidably arranged on the base (1), a second connecting rod (233) hinged on the connecting seat (232) and hinged to the first connecting rod (231), a third connecting rod (234) hinged to an end of the first connecting rod (231) away from the base (1), and a fourth connecting rod (235) hinged to an end of the second connecting rod (233) away from the base (1) and hinged to the third connecting rod (234), one end of the third connecting rod (234) away from the first connecting rod (231) is fixedly connected to the top seat (3), and one end of the fourth connecting rod (235) away from the second connecting rod (233) is fixedly connected to the top seat (3).

4. The mobile curtain for quick deployment according to claim 3, characterized in that: The top seat (3) is provided with a slide rail (31), two slide blocks (32) are slidably arranged in the slide rail (31), and the slide blocks (32) are hinged to one end of the fourth connecting rod (235) away from the second connecting rod (233).

5. The mobile curtain for quick deployment according to claim 3, characterized in that: The driving assembly (24) comprises a bidirectional threaded rod (241) rotatably arranged on the base (1) and respectively threadedly connected to the two connecting seats (232), a pulley (242) fixedly mounted on the bidirectional threaded rod (241) and one end of the rotating shaft (21), a belt (243) arranged between the two pulleys (242), and a servo motor (244) fixedly arranged on the base (1) and fixedly connected to one end of the bidirectional threaded rod (241), and the two pulleys (242) are connected and transmitted power through the belt (243).

6. The mobile curtain for quick deployment according to claim 1, characterized in that: Universal wheels (11) are arranged at the four corners of the bottom of the base (1).

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